dubbo Exchanger 源码

2022-10-20
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dubbo Exchanger 代码

文件路径：/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/exchange/Exchanger.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.remoting.exchange;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.extension.Adaptive;
import org.apache.dubbo.common.extension.ExtensionScope;
import org.apache.dubbo.common.extension.SPI;
import org.apache.dubbo.remoting.Constants;
import org.apache.dubbo.remoting.RemotingException;
import org.apache.dubbo.remoting.exchange.support.header.HeaderExchanger;

/**
 * Exchanger. (SPI, Singleton, ThreadSafe)
 * <p>
 * <a href="http://en.wikipedia.org/wiki/Message_Exchange_Pattern">Message Exchange Pattern</a>
 * <a href="http://en.wikipedia.org/wiki/Request-response">Request-Response</a>
 */
@SPI(value = HeaderExchanger.NAME, scope = ExtensionScope.FRAMEWORK)
public interface Exchanger {

    /**
     * bind.
     *
     * @param url
     * @param handler
     * @return message server
     */
    @Adaptive({Constants.EXCHANGER_KEY})
    ExchangeServer bind(URL url, ExchangeHandler handler) throws RemotingException;

    /**
     * connect.
     *
     * @param url
     * @param handler
     * @return message channel
     */
    @Adaptive({Constants.EXCHANGER_KEY})
    ExchangeClient connect(URL url, ExchangeHandler handler) throws RemotingException;

}

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本文标签： Java
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